package com.qf.mapper;

import org.apache.ibatis.annotations.Update;

/**
 * @author 千锋教育
 * @Company http://www.mobiletrain.org/
 * @Version 1.0
 */
public interface UserMapper {


    @Update("UPDATE `user` SET  `money`= money - 500 WHERE (`id`='1')")
    void update();
}
